Well since you didn’t provide any context, what you need to do is read his speech and answer what part is the least boring or more Intresting then the rest. Sorry if this doesn’t help
The answer is adjective because it can qualify a noun.
Answer:
Appositive: my youngest sister
Noun or pronoun renamed: Mary
Explanation:
An appositive is a noun or noun phrase set next to another noun or pronoun to explain or identify it. When it's essential to the meaning of the noun it refers to, the appositive isn't framed by commas. When it isn't essential, like in the given sentence, it is framed by commas.
The appositive in the given sentence is<em> my youngest sister</em>. The noun renamed by it is <em>Mary.</em>
Benefits of laughter help the blood flow in the heart, makes you more creative, fortifies your immune system, improves cardiac health, and it banishes stress. It can also lower your blood pressure, so it will reduce the chances of a stroke. Hope this help!